'''
d = 10;
b = "1010"
print(bin(d),end=" ")
print(oct(d),end=" ")
print(hex(d),end=" ")
print(int(b,2))
'''
'''
n = eval(input())
print("{:->20,}".format(n))
'''

'''
a = [3,6,9]
sum = 0
b = eval(input("gimme a list:"))
for i in range(3):
    sum += a[i]*b[i]
print(sum)
'''

'''
import random;
random.seed(123)
for i in range(10):
    print(random.randint(1,999),end=",")
'''

'''
import turtle;
turtle.right(-30)
turtle.fd(120)
turtle.right(60)
turtle.fd(120)
turtle.right(120)
turtle.fd(120)
turtle.right(60)
turtle.fd(120)
turtle.right(120)
'''

'''
data = input("输入信息:")
age = 0
s = 0
num_men = 0
while data:
    data = data.split(" ")
    age += eval(data[2])
    s += 1
    if data[1] == "男":
        num_men += 1
    data = input()
    
print("平均年龄是{:.2f} 男性人数是{}".format(age/s,num_men))
'''

'''
s = eval(input())
print("{:*^30,}".format(s))
'''

'''
a,b = 0,1
while a < 50:
    print(a)
    a,b = b,a+b
'''

'''
import jieba;
txt = input("")
ls = jieba.lcut(txt)
for i in ls[::-1]:
    print(i,end="")
'''

'''
import turtle;
for i in range(3):
    turtle.seth(i*120)
    turtle.fd(100)
'''
























